ALPINIST CLIMBER EXPEDITIONS

Conquer the Himalayas with Expert Expedition Guides

Alpinist Climber Expeditions

Alpinist Climber Expeditions (ACE) is a professional mountain guiding company based in Nepal, dedicated to helping climbers from around the world achieve their high-altitude goals. Backed by a trained and experienced team, we support every climber through thorough preparation from the very first consultation to the final descent.

ACE mountain team
WHY CHOOSE ACE

The Highest Standards in Every Detail

We believe in creating unforgettable experiences that last a lifetime.

Certified & Experienced Guides

Certified & Experienced Guides

Our expeditions are led by highly trained, certified mountain guides with years of experience in the Himalayas. Their local knowledge, technical skills, and calm decision-making help every journey run smoothly while keeping your safety as the top priority.
Unmatched Safety

Unmatched Safety

We never compromise on safety. From detailed planning and quality equipment to weather monitoring and emergency support, every step of the expedition is carefully managed so you can climb with confidence and peace of mind.
High Success Rate

High Success Rate

Our experienced team, well-planned itineraries, and proper acclimatization schedules give climbers the best chance of reaching their goals. We focus on making every expedition safe, enjoyable, and successful, not just getting to the summit.
A Complete Climbing Experience

A Complete Climbing Experience

We take care of every detail before, during, and after your expedition. From permits and logistics to accommodation, meals, and support on the mountain, we provide a complete service so you can focus on the adventure and enjoy every moment.
Alpinist Climber Expeditions
GUIDING BEYOND THE SUMMIT

Talk to Experts

Prakash Sherpa
Expert Guide

Prakash Sherpa

Founder & IFMGA Mountain Guide

Prakash Sherpa is the founder and CEO of Alpinist Climber Expeditions (ACE), and a certified IFMGA Mountain Guide, one of the most demanding qualifications a mountaineer can hold anywhere in the world. Since 2011, he has worked professionally as a guide, building a career shaped by technical mastery, rigorous international training, and an unrelenting passion for high altitude climbing. Over more than a decade in the mountains, he has led...

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Client Stories

From the Summit

Daniel Puttkemery
Daniel Puttkemery
Kyajo Ri Expedition
Prakash and his team are a couple of notches above totally professional! Everyone in the Alpinist Climber Expeditions family goes out of their way to provide the best possible experience. Superb core values and safety principles. I had the good fortune of climbing Kyajo Ri with Alpinist Climber Expeditions and…
★ ★ ★ ★ ★
Andy Tronsberg
Andy Tronsberg
Kyajo Ri & Island Peak
Perfect organised and guided expedition I ever took part! We climbed island peak and kyajo ri alpine style! Safety is always first, all team members are super kind and professional and also laughing comes not to short! Thanks for this unforgettable experience!! Andreas.
★ ★ ★ ★ ★
Raphael Lindenmann
Raphael Lindenmann
Kyajo Ri
In April 2025, we completed an unforgettable expedition to Kyajo Ri with ACE. We were four friends from Switzerland and enjoyed about two and a half weeks in the Khumbu region. From our arrival in Kathmandu to the summit and back, ACE's organization was impeccable.A well-coordinated team, superb support, excellent…
★ ★ ★ ★ ★
Luca Smargiasso
Luca Smargiasso
Ama Dablam + Kyajo Ri + Cholatse
I have been climbing for 15 years, over 4 continents. This was my 3rd trip to Nepal. And this was undoubtedly one of the Best-organised expeditions have participated in. Cannot thank Prakash and his Team enough. The attention to detail both in terms of equipment, climbing conditions, and accommodation/food was…
★ ★ ★ ★ ★
Rogier Keulen
Rogier Keulen
Kyajo Ri & Cholatse
With IFMGA guide Prakash we climbed Kyajo Ri and Cholatse. Our expedition couldn't have been any better! We had a lot of fun and summiting stunning Cholatse is the most intense thing I've done. We did it alpine style, so without fixed ropes from bottom to top. Safety was a…
★ ★ ★ ★ ★
Manu Laireiter
Manu Laireiter
Kyajo Ri
I participated in a private expedition to Kiayo Ri with Alpinist Climber Expeditions and it was simply fantastic. From the initial consultation to the final summit push, everything was perfectly organized and tailored to my individual needs. The guides were not only highly professional and extremely experienced in high-altitude mountaineering,…
★ ★ ★ ★ ★
Expedition Journal

Dispatches from the Mountains

All Articles
Nirekha Summit Success 2026: ACE Team Reaches 6,159 m
Expedition Report

Nirekha Summit Success 2026: ACE Team Reaches 6,159 m

  Alpinist Climber Expeditions (ACE) is glad to report a successful summit of Nirekha. Brian Richardson and Daniel Jeffery Puttkemery reached the top of the 6,159 m peak at 9:50 am on 7 November 2026. They climbed with guides Sona Chhiri and Sonam Chhiring. The expedition was led by our founder and IFMGA mountain guide, Prakash Sherpa.   ACE Team Summits Nirekha Peak   Summit details Peak: Nirekha, 6,159 m, Khumbu region, Nepal Summit date and time: 7 November 2026, 9:50 am Climbers: Brian Richardson and Daniel Jeffery Puttkemery Climbing guides: Sona Chhiri and Sonam Chhiring Expedition leader: Prakash Sherpa   The team on the mountain   Brian and Daniel were guided by Sona Chhiri and Sonam Chhiring, with Prakash Sherpa leading the expedition. ACE has been guiding in the Himalayas since 2021, and our expeditions run with small teams and IFMGA-certified leadership. We congratulate both climbers on their summit and thank everyone on the team.   About Nirekha   Nirekha stands in the Khumbu region of Nepal, close to the Cho La Col and in the same ridge chain as the Lobuche peaks. For the route, grade, itinerary and permit details, see our Nirekha Peak Expedition page.     Spring 2027 Bookings Now Open   Learn more about our 2027 Spring Expedition, you can view the trip and book on our Nirekha Expedition page or see our other peak climbing trips in Nepal. Follow us for more updates from the Himalayas.   To plan your next expedition, message us on WhatsApp at +977 9843314253 or email info@alpinistclimberexpeditions.com.

Nov 09, 2026 Read Article →
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